/*****************************************************************************/
/*                                                                           */
/*                                addrsize.c                                 */
/*                                                                           */
/*                         Address size definitions                          */
/*                                                                           */
/*                                                                           */
/*                                                                           */
/* (C) 2003-2009, Ullrich von Bassewitz                                      */
/*                Roemerstrasse 52                                           */
/*                D-70794 Filderstadt                                        */
/* EMail:         uz@cc65.org                                                */
/*                                                                           */
/*                                                                           */
/* This software is provided 'as-is', without any expressed or implied       */
/* warranty.  In no event will the authors be held liable for any damages    */
/* arising from the use of this software.                                    */
/*                                                                           */
/* Permission is granted to anyone to use this software for any purpose,     */
/* including commercial applications, and to alter it and redistribute it    */
/* freely, subject to the following restrictions:                            */
/*                                                                           */
/* 1. The origin of this software must not be misrepresented; you must not   */
/*    claim that you wrote the original software. If you use this software   */
/*    in a product, an acknowledgment in the product documentation would be  */
/*    appreciated but is not required.                                       */
/* 2. Altered source versions must be plainly marked as such, and must not   */
/*    be misrepresented as being the original software.                      */
/* 3. This notice may not be removed or altered from any source              */
/*    distribution.                                                          */
/*                                                                           */
/*****************************************************************************/

/* common */
#include "addrsize.h"
#include "strutil.h"

/*****************************************************************************/
/*                                   Code                                    */
/*****************************************************************************/

const char *AddrSizeToStr(unsigned char AddrSize)
/* Return the name for an address size specifier */
{
  switch (AddrSize) {
  case ADDR_SIZE_DEFAULT:
    return "default";
  case ADDR_SIZE_ZP:
    return "zeropage";
  case ADDR_SIZE_ABS:
    return "absolute";
  case ADDR_SIZE_FAR:
    return "far";
  case ADDR_SIZE_LONG:
    return "long";
  default:
    return "unknown";
  }
}

unsigned char AddrSizeFromStr(const char *Str)
/* Return the address size for a given string. Returns ADDR_SIZE_INVALID if
** the string cannot be mapped to an address size.
*/
{
  static const struct {
    const char *Name;
    unsigned char AddrSize;
  } AddrSizeTable[] = {
      {"abs", ADDR_SIZE_ABS},     {"absolute", ADDR_SIZE_ABS}, {"default", ADDR_SIZE_DEFAULT}, {"direct", ADDR_SIZE_ZP},
      {"dword", ADDR_SIZE_LONG},  {"far", ADDR_SIZE_FAR},      {"long", ADDR_SIZE_LONG},       {"near", ADDR_SIZE_ABS},
      {"zeropage", ADDR_SIZE_ZP}, {"zp", ADDR_SIZE_ZP},
  };
  unsigned I;

  for (I = 0; I < sizeof(AddrSizeTable) / sizeof(AddrSizeTable[0]); ++I) {
    if (StrCaseCmp(Str, AddrSizeTable[I].Name) == 0) {
      /* Found */
      return AddrSizeTable[I].AddrSize;
    }
  }

  /* Not found */
  return ADDR_SIZE_INVALID;
}
